Crystal structure and magnetic properties of [Cu(ox)(py)2](py = pyridine): a ferromagnetic oxalate-bridged zigzag chain complex

Author(s):  
José Suárez-Varela ◽  
José M. Dominguez-Vera ◽  
Enrique Colacio ◽  
Juan C. Avila-Rosón ◽  
Miguel A. Hidalgo ◽  
...  
1988 ◽  
Vol 27 (3) ◽  
pp. 529-532 ◽  
Author(s):  
Evangelos G. Bakalbassis ◽  
Anastasios P. Bozopoulos ◽  
Jerzy Mrozinski ◽  
Panayotis J. Rentzeperis ◽  
Constantinos A. Tsipis

2021 ◽  
Author(s):  
Xiao-Hui Chen ◽  
Run-Ze Guo ◽  
Ya-Xi Huang ◽  
Yuanming Pan ◽  
Jin-Xiao Mi

Magnetism of any material depends on its crystal structure. However, two isostructural compounds such as MCuMoO4(OH) (M = Na, K) can have markedly different magnetic properties. Herein, we introduce a...


Polyhedron ◽  
1997 ◽  
Vol 16 (9) ◽  
pp. 1411-1415 ◽  
Author(s):  
Xiang Shi Tan ◽  
Feng Xiang Dao ◽  
Xia Tang Wen ◽  
Bei Yu Kai

2009 ◽  
Vol 4 (1) ◽  
pp. 90-96
Author(s):  
Hideaki Ishida ◽  
Makoto Handa ◽  
Ichiro Hiromitsu ◽  
Masahiro Mikuriya

A chloro-bridged chain complex constructed from paddlewheel-type dinuclear ruthenium(II,III) carboxylate units, [Ru2{3,4,5-(C2H5O)3C6H2CO2}4Cl]n·1.2nC2H5OH (1·1.2nC2H5OH), was synthesized and characterized by elemental analysis and IR and UV-vis spectroscopies. The single-crystal X-ray analysis showed that the complex forms a zig-zag chain structure, in which the chloroligands bridge the dinuclear units at the axial positions with the Ru1–Cl–Ru2 angle of 120.38(7)°. A broad band around 1144 nm and a band at 475 nm were observed in the diffused reflectance spectra and ascribed to a δ→δ* and a π(RuO, Ru2)→π*(Ru2) transitions, respectively. Temperature dependence of magnetic susceptibility showed that the antiferromagnetic interaction between the dinuclear units is weak (zJ = −0.8 cm−1) with D value of 60 cm−1.


2007 ◽  
Vol 62 (5) ◽  
pp. 691-695 ◽  
Author(s):  
Hulya Kara

AbstractThe synthesis, crystal structure and magnetic properties of [Mn(III)L(H2O)2]+ClO4 −, 1 [L = N,N′-bis(rac-3,5-dichlorosalicylidenato)-1,2-diaminopropane] are reported. Single crystal X-ray diffraction studies showed the structure to consist of [MnL(H2O)2]+ octahedra, with trans-coordinated water molecules, which are linked into infinite helices by hydrogen bonds. The distorted octahedral manganese(III) centre contains an N2O2O′2 coordination sphere made up of the Schiff base ligand in the equatorial plane. In the axial direction, an elongation of the trans Mn-Owater bonds to 2.165(2) and 2.187(2) Å is observed. Such elongations are typical of d4 systems but in this case may also be attributed to the poorer donor power of the water molecules.


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